
Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.
Harmonize {X}{G}{G}{G}{G} (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by an amount of generic mana equal to its power. Then exile this spell.)
Nature's Rhythm has 4 printings, first in Tarkir: Dragonstorm (2025). EDHREC ranks it #837 among Commander cards. It appears most in Kinnan, Bonder Prodigy decks (10,182 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.